Prove the identity. show all work. tan (x-pi/4) = tanx-1/tanx+1

What is the first step in which the student made an error

What is the slope of (-5,1) (5,2)

Round to the nearest hundredth. 92.354009

A triangle with measures of x∘, 2x∘, and 2x∘ is a (n) triangle.

What is the estimate of 39% of 120

Expand the expression and combine like terms: 2 (-14+r) - (-3r-5)

The sum of andre and brandons scores on a math quiz is 180. Andre score is 2 times as much as 30 less than brandons score. Find each students quiz score

1. If I get a loan of $30,000 and I promise to pay in 10 equal instalments of $3,000 each semester, how much interest in total do I have to pay if 10% each semester over the balance.

Which of the following conditions make a pair of triangles congruent? One angle and two sides are congruent. Two angles and one side are congruent. Two corresponding sides and one angle are congruent.

Prove that 3999991 is not prime.